38219905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 50181120

約数和(自身を除く): 11961215

約数列:

[1, 5, 23, 43, 59, 115, 131, 215, 295, 655, 989, 1357, 2537, 3013, 4945, 5633, 6785, 7729, 12685, 15065, 28165, 38645, 58351, 129559, 177767, 291755, 332347, 647795, 888835, 1661735, 7643981, 38219905]

約数ペア:

[(1, 38219905), (5, 7643981), (23, 1661735), (43, 888835), (59, 647795), (115, 332347), (131, 291755), (215, 177767), (295, 129559), (655, 58351), (989, 38645), (1357, 28165), (2537, 15065), (3013, 12685), (4945, 7729), (5633, 6785)]